While we've recently been lusting over intense red locks thanks to the likes of Emma Stone, Florence Welch and Scarlett Johannson, Michelle's color is less intimidating to consider actually copying--it's soft and pre-faded, not full on "red".

Meanwhile, Michelle's obviously one of those hair chameleons who looks fantastic in all sorts of colors, but I love how the subtly darker color brings out her eyes and lips, especially with the makeup shown above. Here's a shot from November of her as a blond, for comparison.